/*
 * This file Copyright (c) 2015. Walle.
 * (http://www.wallellen.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the
 * Walle Agreement (WA) and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or WA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Walle Agreement (WA), this file
 * and the accompanying materials are made available under the
 * terms of the WA which accompanies this distribution, and
 * is available at http://www.wallellen.com/agreement.html
 *
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 */

package com.wallellen.quartz.job.impl;

import com.google.common.base.Strings;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class CommandRuningJob implements Job {
    private static final Logger log = LoggerFactory.getLogger(CommandRuningJob.class);

    @SuppressWarnings("static-access")
    @Override
    public void execute(JobExecutionContext arg0) throws JobExecutionException {
        String commandStr = arg0.getMergedJobDataMap().get("PARA").toString();
        if (Strings.isNullOrEmpty(commandStr)) {
            throw new RuntimeException("空命令行参数");
        }
        InputStream stderr = null; // 获取输入流
        InputStreamReader isr = null;
        BufferedReader br = null;
        try {
            String cmd = commandStr.trim();
            log.info("执行命令行：" + cmd);
            Runtime rt = Runtime.getRuntime(); // 获取运行时系统
            Process proc = rt.exec(cmd); // 执行命令
            stderr = proc.getInputStream(); // 获取输入流
            isr = new InputStreamReader(stderr);
            br = new BufferedReader(isr);
            String line = null;
            StringBuffer lineBuffer = new StringBuffer();
            while ((line = br.readLine()) != null) { // 打印出命令执行的结果
                lineBuffer.append(line);
                log.info(line);
            }
        } catch (Exception t) {
            log.error(t + t.getMessage());
            throw new RuntimeException(t);
        } finally {
            try {
                stderr.close();
                isr.close();
                br.close();
            } catch (IOException e) {
                log.error(e + e.getMessage());
                throw new RuntimeException(e);
            }
        }
    }
}
